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Sync with MESS (nw)

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This commit is contained in:
Miodrag Milanovic 2012-07-28 14:33:57 +00:00
parent bacbc32851
commit ba882201e6
1 changed files with 3 additions and 2 deletions
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5
src/emu/video/pc_cga.c
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@ -1137,6 +1137,7 @@ static void pc_cga_plantronics_w(running_machine &machine, int data)
static WRITE8_HANDLER ( char_ram_w )
{
UINT8 *gfx = space->machine().root_device().memregion("gfx1")->base();
offset ^= BIT(offset, 12);
logerror("write char ram %04x %02x\n",offset,data);
gfx[offset + 0x0000] = data;
gfx[offset + 0x0800] = data;
@ -1147,6 +1148,7 @@ static WRITE8_HANDLER ( char_ram_w )
static READ8_HANDLER ( char_ram_r )
{
UINT8 *gfx = space->machine().root_device().memregion("gfx1")->base();
offset ^= BIT(offset, 12);
return gfx[offset];
}
@ -1226,8 +1228,7 @@ static WRITE8_HANDLER( pc_cga8_w )
fatalerror("CGA: Bus width %d not supported", buswidth);
break;
}
space_prg->install_legacy_readwrite_handler(0xb8000, 0xb87ff, FUNC(char_ram_r),FUNC(char_ram_w), mask );
space_prg->install_legacy_readwrite_handler(0xb9000, 0xb97ff, FUNC(char_ram_r),FUNC(char_ram_w), mask );
space_prg->install_legacy_readwrite_handler(0xb8000, 0xb9fff, FUNC(char_ram_r),FUNC(char_ram_w), mask );
} else {
if (cga.videoram_size== 0x4000) {
space_prg->install_readwrite_bank(0xb8000, 0xbbfff, 0, 0x04000, "bank11" );